OMRON Frequency/ Rate Meter K3MA-F Series

OMRON Frequency/ Rate Meter K3MA-F Series Highly Visible LCD Display with 2-color ( Red and Green) LEDs ? Contact, NPN, PNP, or voltage pulse input. ? Front-panel key operation for easy setting. ? Average processing function suppresses flicker. ? Includes scaling, auto-zero time, startup compensation time functions. ? Easy confirmation of max/ min display. ? Short 80-mm depth ( measured from edge of face plate) . ? Finger protective cover ( standard equipment) guards against electric shock. ? Water- and dust-proof NEMA4X ( IP66 equivalent) front panel. ? Recognized to U.S. and Canadian requirements under the Component Recognition Program of UL. ? CE marking. ? Built-in external power supply ( 12 VDC, 40 mA) . Specifications ? Ratings Model K3MA-F 100-240VDC, K3MA-F-A2 100-240VAC K3MA-F 24VAC/ VDC, K3MA-F-A2 24VAC/ VDC Supply voltage 100 to 240 VAC 24 VAC/ VDC Operating voltage range 85% to 110% of the rated supply voltage Power consumption ( under maximum load) 6 VA max. 4.5 VA max. ( 24 VAC) 4.5 W max. ( 24 VDC) External power supply 12 VDC, 40 mA Insulation resistance 20 M min. ( at 500 VDC) between external terminal and case. Insulation provided between inputs, outputs, and power supply. Dielectric strength 2, 000 VAC for 1 min between external terminal and case. Insulation provided between inputs, outputs, and power supply. Noise immunity 1, 500 V on power supply terminals in normal or common mode. 1 s, or 100 ns for square-wave noise with 1 ns. 480 V on power supply terminals in normal mode. 1, 500 V in common mode. 1 s, or 100 ns for square-wave noise with 1 ns. Vibration resistance Vibration: 10 to 55 Hz, Acceleration: 50 m/ s2 5 min each in X, Y, and Z directions for 10 sweeps. Shock resistance 150 m/ s2 ( 100 m/ s2 for relay contact outputs) 3 times each on 3 axes, 6 directions. Ambient temperature Operating:  10 C to 55 C ( with no condensation or icing) Storage:  25 C to 65 C ( with no condensation or icing) Approved safety standards UL61010-1, CSA C22.2 No.61010-1-04, conforms to EN61010-1 ( Pollution degree 2/ overvoltage category II) Conforms to VDE0106/ P100 ( finger protection) EMC ( EMI) EN61326+ A1 Industry Emission Enclosure: CISPR 11 Group 1 class A: CISRP16-1/ -2 Emission AC Mains: CISPR 11 Group 1 class A: CISRP16-1/ -2 ( EMS) EN61326+ A1 Industry Immunity ESD: EN61000-4-2: 4 kV contact discharge 8 kV air discharge Immunity RF-interference: EN61000-4-3: 10 V/ m ( amplitude-modulated, 80 MHz to 1 GHz) Electrical Fast Transient Noise: EN61000-4-4: 2 kV ( power line) Immunity Burst Noise: 1 kV line to line ( I/ O signal line) Immunity Surge: EN61000-4-5: 1 kV ( power line) 2 kV line to ground ( power line) Immunity Conducted Disturbance: EN61000-4-6: 3 V ( 0.15 to 80 MHz) Immunity Voltage Dip/ Interrupting: EN61000-4-11: 0.5 cycle, 0, 180 , 100% ( rated voltage)